Operations

openSUSE Tumbleweed — podofo — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — podofo — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 17, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:1316-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-20093 CVE-2018-12983 CVE-2019-10723 CVE-2017-5852 CVE-2017-5853 CVE-2017-5854 CVE-2017-5855 CVE-2017-5886  +12 more Upstream summary: The PoDoFo::PdfVariant::DelayedLoad function in PdfVariant.h in PoDoFo 0.9.6 allows remote attackers to cause […]

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How to Install and Configure SQLite on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure SQLite on RHEL 8

  • May 17, 2020
  • Linux
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SQLite is a serverless, file-based relational database engine that requires no installation of a separate server process and no ongoing administration. It stores an entire database — tables, indexes, and data — in a single cross-platform file, making it ideal for development environments, embedded applications, configuration stores, and lightweight production workloads that do not need […]

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Common Problems 121050

Debian 10 – sudo Stops Working Due to Broken Permissions – Emergency Repair

  • May 16, 2020
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 16 May 2020 Affected versions: Debian 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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FreeBSD 12 — php5-mysqli — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php5-mysqli — vulnerability — patch and remediation guide

  • May 16, 2020
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 16 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mysql — SSL Downgrade Related CVEs: CVE-2015-3152 Upstream summary: Duo Security reports: Researchers have identified a serious vulnerability in some versions of Oracle’s MySQL database product that allows an attacker […]

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Common Problems 117524

Ubuntu 20.04 LTS Nginx Fails to Start Due to Port 80 Conflict

  • May 16, 2020
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 16 May 2020 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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FreeBSD 12 — foreman-proxy — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — foreman-proxy — vulnerability — patch and remediation guide

  • May 16, 2020
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 16 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: foreman-proxy SSL verification issue Related CVEs: CVE-2014-3691 Upstream summary: Foreman Security reports: The smart proxy when running in an SSL-secured mode permits incoming API calls to any endpoint without requiring, […]

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Common Problems 115554

crond Service Not Running Scheduled Jobs

🟡 Medium   ⏱ 5–30 min  Last verified: 16 May 2020 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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How to Deploy a Rust Web Application on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Deploy a Rust Web Application on SLES 15

Introduction This tutorial covers How to Deploy a Rust Web Application on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: […]

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Common Problems 112392

Windows Server 2019 – Hyper-V live migration fails with authentication errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 May 2020 Affected versions: Windows Server 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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